本题目来源于试卷: Unity and Diversity A.4 Cell Structure，类别为 IB生物学
[单选题]
Which are common features7 x-prj h ,;)s ;2uuvkmqqegm3 of bacvr6u u 4vhet8 )2tg9pdterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins
A. I and II
B. II only
C. III only
D. I, II and III
参考答案: A
本题详细解析:
Choice A is correct bef ;3r g8qkz+mxa* d7bucause statements I and II are common features of bacterial cells. Archaeans, which are prokaryotes, have DNA associated with histone proteins, but bacteria do not (state3ag *7q du;b+ 8frkzmxment III).
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